可查看hosts文件
root@ubuntu:/home/xiaoye/zookeeper# vim /etc/hosts #127.0.0.1 localhost #127.0.1.1 ubuntu 192.168.26.140 ubuntu 192.168.26.141 ubuntu2 192.168.26.142 ubuntu3root@ubuntu:/home/xiaoye/zookeeper
阅读背景：
启动spark localhost: ssh: Could not resolve hostname localhost: Name or service not known
来源：互联网
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